The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Cas:6615-00-5
Min.Order:1
Negotiable
Type:Other
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:6615-00-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry11a-Hydroxy-estr-4-ene-3,17-dione CAS:6615-00-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality
Cas:6615-00-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:6615-00-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirydensity 1.21 Superiority We can customize and synthesize products that other suppliers may not be able to provide. 1. best service, high quality and reasonable way for his produccts from many r
Cas:6615-00-5
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:6615-00-5
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:6615-00-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:6615-00-5
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your re
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryThe factory supplies Application:manufacturing supplies
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
11a-Hydroxy-estr-4-ene-3,17-dione Basic information Product Name: 11a-Hydroxy-estr-4-ene-3,17-dione Synonyms: 11a-hydroxy-estr-4-ene-3,17-dione;
Cas:6615-00-5
Min.Order:500 Gram
Negotiable
Type:Trading Company
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Cas:6615-00-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryZhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryBetterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of
Cas:6615-00-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryBaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
Cas:6615-00-5
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryShanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Complete
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryinstock with good quality and wholesale price Storage:Keep in a cool & dry place Package:Packing material and QTY as your request Application:Pharma;Industry;other application Transportation:Express or as your request Port:Any port of China
Cas:6615-00-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With tert.-butylhydroperoxide; 3 A molecular sieve; zircornium(IV) n-propoxide In dichloromethane for 80h; | 85% |
With chromium(VI) oxide In acetone |
11α-hydroxy-estr-4-ene-3,17-dione
11β-fluoro-estr-4-ene-3,17-dione
Conditions | Yield |
---|---|
With C4F9SO2F; 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 24 - 30℃; for 2h; | 66% |
With N-(2-chloro-1,1,2-trifluoroethyl)diethylamine In tetrahydrofuran | |
With Nonafluorobutanesulfonyl fluoride; 1,8-diazabicyclo[5.4.0]undec-7-ene In ethyl acetate at -40 - -35℃; Product distribution / selectivity; |
Nonafluorobutanesulfonyl fluoride
1,8-diazabicyclo[5.4.0]undec-7-ene
11α-hydroxy-estr-4-ene-3,17-dione
11β-fluoro-estr-4-ene-3,17-dione
Conditions | Yield |
---|---|
In toluene | |
In toluene |
Nonafluorobutanesulfonyl fluoride
1,8-diazabicyclo[5.4.0]undec-7-ene
11α-hydroxy-estr-4-ene-3,17-dione
11β-fluoro-estr-4-ene-3,17-dione
Conditions | Yield |
---|---|
In toluene |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View